Question

VPS resilience to hardware failure

Posted February 7, 2020 143 views
DigitalOcean Accounts

hi, we have a large VPS with a load of sites on it running WHM. It’s snapshotted weekly and the accounts are backed up to S3 overnight. The DBs are run on the same server.
I’m concerned that we have a single point of failure. Does anyone know how resilient the DO VPS platform is? I’m confident the VPS image is run from a RAID disk array, so it couldn’t be brought down by a disk failure.
How about if the power supply, or motherboard, or network card fails on the physical server that’s hosting the VM. What would happen?
What are other people’s experiences of failure/recovery on DO VPSs?

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jwweb
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2 answers
Shiroka February 7, 2020

Sir please be at ease.Digitalocean has 99.99% SLA promise and they will fix the bugs in a short time,as far as I know.

I haven’t met any problem before.

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nusbaum February 7, 2020

We have not had a failure on DigitalOcean since we started hosting here, and I would say that they are very good at maintaining high availability within a datacenter. DO also has some nice tutorials about building out high availability in a datacenter with redundancy across all of the hosted components. But, I have had issues with other providers in the past, so I’m still not onboard with building an HA solution in one just one datacenter, so we have set up redundancy across two DO data centers.

I would recommend at least setting up redundancy within one data center and making sure that the redundant components are not on the same physical server.

As for a 99.99% SLA promise… as much as I like DO that SLA provides a refund for time that your servers are down, but it doesn’t cover you for the damage done to your business by having your servers unavailable. If you cannot afford down time, then expect it, plan for it and build a solution that is resilient enough to keep running.

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